Home / 76,976.78-115,468.44-24,385.10

Finding the Fourth Proportional to 76,976.78, 115,468.44 and 24,385.10

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Solution

The fourth proportional to 76,976.78, 115,468.44 and 24,385.10 is: 36,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976.78 : 115,468.44 = 24,385.10 : x
  2. Step 2: Convert to fraction form
    76,976.78/115,468.44 = 24,385.10/x
  3. Step 3: Cross multiply
    76,976.78x = 115,468.44 × 24,385.10
  4. Step 4: Simplify right side
    76,976.78x = 2,815,709,456.24
  5. Step 5: Solve for x
    x = 2,815,709,456.24/76,976.78
  6. Step 6: Final answer
    x = 36,578.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.